CN221634480U - Threshing and cleaning system of harvester and harvester - Google Patents
Threshing and cleaning system of harvester and harvester Download PDFInfo
- Publication number
- CN221634480U CN221634480U CN202322904588.0U CN202322904588U CN221634480U CN 221634480 U CN221634480 U CN 221634480U CN 202322904588 U CN202322904588 U CN 202322904588U CN 221634480 U CN221634480 U CN 221634480U
- Authority
- CN
- China
- Prior art keywords
- threshing
- cylinder
- harvester
- cleaning system
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 43
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 8
- 239000010902 straw Substances 0.000 claims abstract description 6
- 238000003306 harvesting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
Landscapes
- Threshing Machine Elements (AREA)
Abstract
The utility model provides a threshing and cleaning system of a harvester and the harvester, which comprises a frame, a threshing cylinder, a concave plate sieve, a top cover, a vibrating sieve, a fan and a grass crushing part. The threshing cylinder is fixed on the frame and comprises a conical cylinder arranged at the front end of the threshing cylinder and a cylinder main body connected with the conical cylinder, wherein the cylinder main body comprises a cylinder main shaft for driving the threshing cylinder to rotate, at least 2 circular webs, at least 3 threshing toothed bars arranged at the outer edges of the webs in a circumferential shape and at least 2 equally-spaced toothed nails arranged on the threshing toothed bars; the concave plate sieve is U-shaped and fixed on the frame, the concave plate sieve is arranged below the threshing cylinder and forms threshing clearance with the tooth nails, and the threshing clearance is adjustable; the top cover is U-shaped and fixed on the frame; the vibrating screen is arranged below the concave plate screen; the fan is arranged below the front end of the vibrating screen, and the fan is matched with the vibrating screen to realize the cleaning function of seeds; the grass breaking part is arranged below the rear end of the threshing cylinder and is used for cutting up the threshed straws.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, and particularly provides a threshing and cleaning system of a harvester and the harvester.
Background
In the working process of the harvester, crop straws and seeds after being cut by the header are integrally conveyed to a threshing and cleaning system, the threshing and cleaning system separates the seeds from the straws to finish the threshing and cleaning process, and the threshing and cleaning system is the most critical part in the whole harvester system, has a complex structure and high failure rate and has the most direct influence on the harvesting efficiency.
In the prior art, the threshing and cleaning system of the harvester has the problems of complex structure, low threshing efficiency, high crushing rate and the like. Therefore, there is an urgent need to provide a threshing and cleaning system of a harvester and a harvester, so as to solve the above problems.
Disclosure of utility model
The utility model aims to provide a threshing and cleaning system of a harvester and the harvester, which solve the problems of complex structure, low threshing efficiency, high crushing rate and the like of the threshing and cleaning system of the harvester in the prior art by redesigning the threshing cylinder structure of the threshing and cleaning system, and are suitable for popularization and application on a crop harvester.
The utility model provides a threshing and cleaning system of a harvester and the harvester, which comprises a frame, a threshing cylinder, a concave plate sieve, a top cover, a vibrating sieve, a fan and a grass crushing part. The threshing cylinder is fixed on the frame and comprises a conical cylinder arranged at the front end of the threshing cylinder and a cylinder main body connected with the conical cylinder, wherein the cylinder main body comprises a cylinder main shaft for driving the threshing cylinder to rotate, at least 2 circular webs, at least 3 threshing toothed bars arranged at the outer edges of the webs in a circumferential shape and at least 2 equally-spaced toothed nails arranged on the threshing toothed bars; the concave plate sieve is U-shaped and fixed on the frame, the concave plate sieve is arranged below the threshing cylinder and forms threshing clearance with the tooth nails, and the threshing clearance is adjustable; the top cover is U-shaped and fixed on the frame, the top cover is covered above the threshing cylinder and forms a diversion gap with the threshing cylinder, and a diversion plate is arranged on the inner surface of the top cover; the vibrating screen is arranged below the concave plate screen; the fan is arranged below the front end of the vibrating screen, and the fan is matched with the vibrating screen to realize the cleaning function of seeds; the grass breaking part is arranged below the rear end of the threshing cylinder and is used for cutting up the threshed straws.
Further, the roller body comprises a rack bar mounting seat which is arranged at the outer edge of the web and used for fixing the threshing rack bar.
Further, the rack bar mounting seat is provided with waist holes, the rack bar mounting seat is fixed on the web through the waist holes and bolts, the assembling position can be adjusted within the length range of the waist holes, and the threshing gap is adjusted by adjusting the assembling positions of the rack bar mounting seat on the web.
Further, the adjustable range of the threshing gap is 15mm-25mm.
Further preferably, the number of threshing bars is 6 and the number of webs is 4.
Further, the threshing cylinder length is in the range of 2500mm-2800mm, and the cone-shaped cylinder length is in the range of 250mm-300mm.
Further, the rotating speed of the threshing cylinder ranges from 600r/min to 700r/min, and the linear speed of the tooth nails ranges from 20m/s to 30m/s.
Further, the front part of the conical cylinder is arranged, the threshing cylinder is obliquely arranged from front to back, the front end of the threshing cylinder is lower, the tail end of the threshing cylinder is higher, and the inclination angle is 2 degrees to 5 degrees.
Further, the threshing cylinder comprises conical cylinder blades arranged around the conical cylinder, and the number of the conical cylinder blades is 2.
The utility model also provides a harvester, which comprises the threshing and cleaning system of the harvester.
The threshing and cleaning system of the harvester and the harvester provided by the utility model have at least one of the following beneficial effects:
The threshing cylinder structure of the threshing and cleaning system is redesigned, so that the problems of complex structure, low threshing efficiency, high crushing rate and the like of the threshing and cleaning system of the harvester in the prior art can be solved.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a perspective view of a threshing and cleaning system of the present utility model;
FIG. 2 is a side view of the threshing cleaning system of the utility model;
FIG. 3 is a partial side view of the threshing cleaning system of the utility model;
FIG. 4 is a cross-sectional view at A-A of FIG. 3;
fig. 5 is a side view of the threshing cylinder of the utility model;
fig. 6 is a perspective view of the threshing cylinder of the utility model;
Fig. 7 is a perspective view of the top cover of the present utility model.
The threshing and cleaning system comprises a threshing and cleaning system (100), a machine frame (1), a threshing cylinder (2), a conical cylinder (21), a cylinder main body (22), a cylinder main shaft (221), a web plate (222), a threshing toothed bar (224), a toothed nail (225), a toothed bar mounting seat (2251), a waist hole (23), conical cylinder blades (3), a concave plate sieve (4), a top cover (41), a fixed guide plate (42), an assembled guide plate (421), a mounting seat (422), a guide plate assembly, a vibrating sieve (5), a fan (6), a grass crushing part (7), a threshing gap (a) and a guide gap (b).
Detailed Description
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
Embodiments of the utility model are further elaborated below in connection with the drawings of the specification.
Referring to fig. 1 to 4, an embodiment provides a threshing and cleaning system 100 of a harvester, which comprises a frame 1, a threshing cylinder 2, a concave screen 3, a top cover 4, a vibrating screen 5, a fan 6 and a grass breaking part 7. The threshing cylinder 2 is fixed on the frame 1; the concave plate screen 3 is U-shaped and fixed on the frame 1, and the concave plate screen 3 is arranged below the threshing cylinder 2 and forms an adjustable threshing gap a with the threshing cylinder 2. The top cover 4 is fixed on the frame in a U shape, the top cover 4 is covered above the threshing cylinder 2 and forms a diversion gap b with the threshing cylinder 2, and the threshing gap a and the diversion gap b jointly enclose an annular threshing space. The vibrating screen 5 is arranged below the concave screen 3, the fan 6 is arranged below the front end of the vibrating screen 5, and the fan 6 is matched with the vibrating screen 5 to realize the cleaning function of seeds. The grass breaking part 7 is arranged below the rear end of the threshing cylinder 2 and is used for cutting up the threshed straws.
Referring to fig. 7, the top cover 4 is provided on its inner surface with baffles comprising at least 2 stationary baffles 41 and at least 2 assembled baffles 42. A fixed deflector 41 is arranged between the 2 assembled deflectors 42.
Referring to fig. 5 and 6, the threshing cylinder 2 includes a tapered cylinder 21 disposed at the front end of the threshing cylinder 2 and a cylinder body 22 connected to the tapered cylinder 21. The drum body 22 includes a drum main shaft 221 for driving the threshing drum 2 to rotate, at least 2 circular webs 222, at least 3 threshing bars 223 installed at the outer edges of the webs 222 in a circumferential arrangement, and at least 2 equally spaced pins 224 installed on the threshing bars 223. Preferably, the number of threshing bars 223 is 6 and the number of webs 222 is 4.
Referring to fig. 2, the threshing cylinder 2 is inclined upward from front to rear with the position of the cone 21 as the front. The threshing cylinder 2 has a lower front end and a higher rear end, and is inclined at an angle ranging from 2 deg. -5 deg., preferably at an angle of 3.5 deg.. The inclined arrangement of the threshing cylinder 2 increases the volume of the cleaning chamber, so that the cleaning efficiency is higher and more sufficient. The threshing cylinder 2 also comprises conical cylinder blades 23 which are arranged around the conical cylinder 21, and the number of the conical cylinder blades 23 is 2, so that the crop grabbing and feeding effect is achieved in the threshing space.
Referring to fig. 5 and 6, the drum body 22 further includes a rack mount 225 mounted on the outer edge of the web 222 for securing the threshing racks 223. The rack mount 225 is provided with a waist hole 2251, and the rack mount 225 is fixed to the web 222 by the waist hole 2251 and bolts and can be adjusted in the assembling position within the length of the waist hole 2251. The distance between the teeth 224 and the concave screen 3 is further adjusted by adjusting the different assembling positions of the tooth bar mounting seat 225 on the web 222, so as to adjust the threshing gap. The adjustable range of threshing gap is 15mm-25mm, namely the adjustable range of gap between the tooth nails 224 and the concave screen 3 is 15mm-25mm. The threshing gap can be adjusted according to different crops to achieve the best threshing effect.
The length of the threshing cylinder 2 ranges from 2500mm to 2800mm, and the length of the conical cylinder 21 ranges from 250mm to 300mm. The threshing cylinder of the embodiment can improve the threshing performance of the threshing and cleaning system and reduce the threshing loss.
When the threshing cylinder is in operation, the rotating speed range of the threshing cylinder 2 is 600r/min-700r/min, and the linear speed range of the tooth nails 224 is 20m/s-30m/s.
The embodiment also provides a harvester, which comprises the harvester threshing and cleaning system 100, and can solve the problems of complex structure, low threshing efficiency, high crushing rate and the like of the harvester threshing and cleaning system 100 in the prior art, thereby greatly improving the harvesting quality and the working performance of the harvester.
It should be noted that various modifications and variations can be made to the above-described exemplary embodiments of the present utility model by those skilled in the art without departing from the spirit and scope of the present utility model. Therefore, it is intended that the present utility model cover the modifications and variations of this utility model provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. A harvester threshing and cleaning system, comprising:
A frame;
The threshing cylinder is fixed on the frame and comprises a conical cylinder arranged at the front end of the threshing cylinder and a cylinder main body connected with the conical cylinder, wherein the cylinder main body comprises a cylinder main shaft for driving the threshing cylinder to rotate, at least 2 circular webs, at least 3 threshing toothed bars arranged at the outer edges of the webs in a circumferential shape and at least 2 equally-spaced toothed nails arranged on the threshing toothed bars;
The concave plate sieve is fixed on the frame in a U shape, is arranged below the threshing cylinder and forms a threshing gap with the tooth nails, and the threshing gap is adjustable;
The top cover is fixed on the frame in a U shape, a flow guide gap is formed between the top cover and the threshing cylinder and is covered above the threshing cylinder, and a flow guide plate is arranged on the inner surface of the top cover;
the vibrating screen is arranged below the concave plate screen;
The fan is arranged below the front end of the vibrating screen, and the fan is matched with the vibrating screen to realize the cleaning function of seeds;
The grass breaking part is arranged below the rear end of the threshing cylinder and used for cutting up the threshed straws.
2. The harvester threshing cleaning system of claim 1, wherein:
The roller body comprises a rack bar mounting seat which is arranged at the outer edge of the web and used for fixing the threshing rack bar.
3. The harvester threshing cleaning system of claim 2, wherein:
The rack rod mounting seat is provided with a waist hole, the rack rod mounting seat is fixed on the web through the waist hole and a bolt, the assembling position can be adjusted within the length range of the waist hole, and the threshing gap is adjusted by adjusting the assembling positions of the rack rod mounting seat on the web.
4. A harvester threshing cleaning system as set forth in claim 3, characterized in that:
The adjustable range of the threshing gap is 15mm-25mm.
5. A harvester threshing and cleaning system as set forth in claim 3, characterized in that it includes:
the number of threshing toothed bars is 6, and the number of the webs is 4.
6. A harvester threshing cleaning system as set forth in claim 3, characterized in that:
the threshing cylinder has a length ranging from 2500mm to 2800mm, and the cone has a length ranging from 250mm to 300mm.
7. A harvester threshing cleaning system as set forth in claim 3, characterized in that:
The rotating speed of the threshing cylinder ranges from 600r/min to 700r/min, and the linear speed of the tooth nails ranges from 20m/s to 30m/s.
8. A harvester threshing cleaning system as set forth in claim 3, characterized in that:
The position of the conical cylinder is used as the front, the threshing cylinder is obliquely arranged from front to back, the front end of the threshing cylinder is lower, the tail end of the threshing cylinder is higher, and the inclination angle is 2-5 degrees.
9. A harvester threshing cleaning system as set forth in claim 3, characterized in that:
The threshing cylinder comprises conical cylinder blades which are arranged around the conical cylinder, and the number of the conical cylinder blades is 2.
10. A harvester, characterized in that: a threshing cleaning system comprising a harvester according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322904588.0U CN221634480U (en) | 2023-10-27 | 2023-10-27 | Threshing and cleaning system of harvester and harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322904588.0U CN221634480U (en) | 2023-10-27 | 2023-10-27 | Threshing and cleaning system of harvester and harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221634480U true CN221634480U (en) | 2024-09-03 |
Family
ID=92514686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322904588.0U Active CN221634480U (en) | 2023-10-27 | 2023-10-27 | Threshing and cleaning system of harvester and harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221634480U (en) |
-
2023
- 2023-10-27 CN CN202322904588.0U patent/CN221634480U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6616528B2 (en) | Vertical crop residue chopper and spreader | |
| US6699121B2 (en) | Comminuting device in an agricultural harvesting machine | |
| US6547169B1 (en) | Crop residue spreader for an agricultural combine | |
| US8210915B2 (en) | Combine harvester with spreader fans | |
| US9668414B2 (en) | Stalk roll with series of flutes having decreasing lengths | |
| EP3500083B1 (en) | Differential speed stalk rolls | |
| EP3143866B1 (en) | A system for chopping and spreading residue | |
| US8221064B2 (en) | Transverse fan assembly having a supplementary air feed inlet for infill of air flow deficiencies to effect a desired output air flow pattern, and method of use thereof | |
| US7771261B2 (en) | Knife blade for a chopper of a combine harvester | |
| CN221634480U (en) | Threshing and cleaning system of harvester and harvester | |
| CN201039688Y (en) | Combined harvester | |
| CN202722072U (en) | Full-feeding combine harvester straw cutting-up device | |
| CN111788926A (en) | Straw harvesting crusher | |
| CN104081933A (en) | Spacing-adjustable corn combine harvester and header thereof | |
| CN221634479U (en) | Threshing and cleaning system of harvester and harvester | |
| US20050120698A1 (en) | Apparatus and method of cutting and slicing vegetation | |
| CN212812856U (en) | Prevent twining feeding screw feeder device and harvester | |
| CN221634484U (en) | Threshing and cleaning system of harvester and harvester | |
| CN221634483U (en) | Harvester | |
| US4186889A (en) | Forage harvester recutter screen | |
| RU2821232C1 (en) | Combine harvester rotor for harvesting long-stem crops | |
| CN220897242U (en) | Header | |
| CN115968655B (en) | Header | |
| CN221843094U (en) | Threshing and cleaning system of harvester and harvester | |
| CN212436444U (en) | Seed melon harvester separation cylinder, seed melon thresher and seed melon harvester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |